/Engine/Source/Runtime/Engine/Public/WorldPartition/DataLayer/DataLayerSubsystem.h
Set the Data Layer state using its name.
void SetDataLayerInstanceRuntimeState ( const [UDataLayerAsset](API\Runtime\Engine\WorldPartition\DataLayer\UDataLayerAsset) * InDataLayerAsset, EDataLayerRuntimeState InState, bool bInIsRecursive )